County · Mississippi
Chickasaw County, Mississippi: drinking water records
This overview covers 4 ZIP codes and 11 community water systems in Chickasaw County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| City of Houston MS0090005 | 3,772 | 155 | 0 | 0 | 4.6 ppb |
| Town of New Houlka MS0090003 | 1,515 | 0 | 0 | 1 | 2.3 ppb |
| City of Okolona MS0090007 | 2,800 | 0 | 0 | 0 | 0 ppb |
| Sparta Water Association #1 MS0090010 | 2,532 | 0 | 0 | 0 | 1.2 ppb |
| Southeast Chickasaw W/A #1 MS0090008 | 1,969 | 0 | 0 | 0 | 6.2 ppb |
| Thorn Water Association MS0090024 | 1,756 | 0 | 0 | 0 | 2.6 ppb |
| Houlka-Houston W/A MS0090004 | 1,668 | 0 | 0 | 0 | 0.6 ppb |
| East Chickasaw W/A #1 MS0090002 | 1,463 | 0 | 0 | 0 | 2.5 ppb |
| East Chickasaw W/A #2 MS0090012 | 1,238 | 0 | 0 | 0 | 0.7 ppb |
| Atlanta Water System, INC. MS0090001 | 700 | 0 | 0 | 0 | 0.8 ppb |
| Ccm, INC MS0090023 | 380 | 0 | 0 | 0 | 1.2 ppb |
ZIP reports in Chickasaw County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.